iWowWe Video Marketing Comparison Table
Here is a good table that compares the main video conferencing / marketing platforms features and prices with WebEx, Gotomeeting, Megameeting, Talk Fusion, My Video Talk and Constant Contact
Click on the image to get a full size view that you can read properly.
As you can see you really need to check out what is out there or you could be missing out and paying more than you should.